Report a more specific QUIC error when reading from the socket fails.

net/quic/quic_protocol.h

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef NET_QUIC_QUIC_PROTOCOL_H_
 #define NET_QUIC_QUIC_PROTOCOL_H_
 
 #include <stddef.h>
 #include <limits>
 #include <map>
@@ skipping 332 matching lines @@
   // The Header ID for a stream was too far from the previous.
   QUIC_INVALID_HEADER_ID = 22,
   // Negotiable parameter received during handshake had invalid value.
   QUIC_INVALID_NEGOTIATED_VALUE = 23,
   // There was an error decompressing data.
   QUIC_DECOMPRESSION_FAILURE = 24,
   // We hit our prenegotiated (or default) timeout
   QUIC_CONNECTION_TIMED_OUT = 25,
   // There was an error encountered migrating addresses
   QUIC_ERROR_MIGRATING_ADDRESS = 26,
-  // There was an error while writing the packet.
+  // There was an error while writing to the socket.
   QUIC_PACKET_WRITE_ERROR = 27,
+  // There was an error while reading from the socket.
+  QUIC_PACKET_READ_ERROR = 51,
 
 
   // Crypto errors.
 
   // Hanshake failed.
   QUIC_HANDSHAKE_FAILED = 28,
   // Handshake message contained out of order tags.
   QUIC_CRYPTO_TAGS_OUT_OF_ORDER = 29,
   // Handshake message contained too many entries.
   QUIC_CRYPTO_TOO_MANY_ENTRIES = 30,
@@ skipping 26 matching lines @@
   QUIC_PROOF_INVALID = 42,
   // A crypto message was received with a duplicate tag.
   QUIC_CRYPTO_DUPLICATE_TAG = 43,
   // A crypto message was received with the wrong encryption level (i.e. it
   // should have been encrypted but was not.)
   QUIC_CRYPTO_ENCRYPTION_LEVEL_INCORRECT = 44,
   // The server config for a server has expired.
   QUIC_CRYPTO_SERVER_CONFIG_EXPIRED = 45,
 
   // No error. Used as bound while iterating.
-  QUIC_LAST_ERROR = 49,
+  QUIC_LAST_ERROR = 52,
 };
 
 struct NET_EXPORT_PRIVATE QuicPacketPublicHeader {
   QuicPacketPublicHeader();
   explicit QuicPacketPublicHeader(const QuicPacketPublicHeader& other);
   ~QuicPacketPublicHeader();
 
   // Universal header. All QuicPacket headers will have a guid and public flags.
   QuicGuid guid;
   QuicGuidLength guid_length;
@@ skipping 444 matching lines @@
   NET_EXPORT_PRIVATE friend std::ostream& operator<<(
       std::ostream& os, const QuicConsumedData& s);
 
   size_t bytes_consumed;
   bool fin_consumed;
 };
 
 }  // namespace net
 
 #endif  // NET_QUIC_QUIC_PROTOCOL_H_